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Byju's Answer
Standard XII
Physics
The Photon Model
The electron ...
Question
The electron beam in a colour TV is accelerated through 32 kV and then strikes the screen. What is the wavelength of the most energetic X-ray photon?
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Solution
When accelerated through 32 KV
Energy of electron beam
E
=
32
K
e
V
=
32
×
10
3
e
V
E
=
32
×
10
3
e
V
λ
=
h
c
E
=
1242
32
×
10
3
=
38.8
×
10
−
3
n
m
=
38.8
p
m
.
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